NEW YORK - Video shows major flash flooding caused by remnants of Hurricane Ida which left much of New York City’s subway system inundated, disrupting train services.Ida, which made landfall as a Category 4 hurricane with some of the strongest winds ever to slam Louisiana, is estimated to have caused nearly $18 billion in damage, a modeling company firm said Wednesday. RELATED: Hurricane Ida: Damage to cost insurers $18 billion, estimate saysVideo captured by New York City residents was posted on Twitter and showed flood waters pouring into the city’s underground subway system.
New York transit authorities said multiple trains were disrupted due to "excessive water" entering the station.A flash flood warning was issued for most of the city.